Home / 34,779.16-47,995.14-18,863.38

Finding the Fourth Proportional to 34,779.16, 47,995.14 and 18,863.38

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Solution

The fourth proportional to 34,779.16, 47,995.14 and 18,863.38 is: 26,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.16 : 47,995.14 = 18,863.38 : x
  2. Step 2: Convert to fraction form
    34,779.16/47,995.14 = 18,863.38/x
  3. Step 3: Cross multiply
    34,779.16x = 47,995.14 × 18,863.38
  4. Step 4: Simplify right side
    34,779.16x = 905,350,563.97
  5. Step 5: Solve for x
    x = 905,350,563.97/34,779.16
  6. Step 6: Final answer
    x = 26,031.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.